Method for controlling modulation of X-ray tube current...

Details Method for controlling modulation of X-ray tube current... Method for controlling modulation of X-ray tube current...

2005-10-18

2005-10-18

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Electronic circuit

X-ray source power supply

C378S110000

Reexamination Certificate

active

06956929

ABSTRACT:
In a method for controlling the modulation of the tube current of an X-ray tube in the production of images using computed tomography, a single topogram of the examination subject is obtained and an orthogonal attenuation value is calculated therefrom, also making use of geometrical information associated with the position of the table on which the examination subject is disposed. In a subsequently-obtained computed tomography scan, the tube current is controlled using the orthogonal patient attenuation.

REFERENCES:
patent: 5379333 (1995-01-01), Toth
patent: 5400378 (1995-03-01), Toth
patent: 5696807 (1997-12-01), Hsieh
patent: 5822393 (1998-10-01), Popescu
patent: 6094468 (2000-07-01), Wilting et al.

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